6346861249 has 2 divisors, whose sum is σ = 6346861250. Its totient is φ = 6346861248.

The previous prime is 6346861231. The next prime is 6346861259. The reversal of 6346861249 is 9421686436.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3255501249 + 3091360000 = 57057^2 + 55600^2 .

It is a cyclic number.

It is not a de Polignac number, because 6346861249 - 2²⁵ = 6313306817 is a prime.

It is not a weakly prime, because it can be changed into another prime (6346861259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3173430624 + 3173430625.

It is an arithmetic number, because the mean of its divisors is an integer number (3173430625).

Almost surely, 2^6346861249 is an apocalyptic number.

It is an amenable number.

6346861249 is a deficient number, since it is larger than the sum of its proper divisors (1).

6346861249 is an equidigital number, since it uses as much as digits as its factorization.

6346861249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1492992, while the sum is 49.

The square root of 6346861249 is about 79667.1905429079. The cubic root of 6346861249 is about 1851.4827410712.

The spelling of 6346861249 in words is "six billion, three hundred forty-six million, eight hundred sixty-one thousand, two hundred forty-nine".